Perhaps you should try some spelling variations:
"lochating bug core snippets" » "locating bug core snippets", "lochating bug code snippets"
"python using java snippets" » "python using data snippets"
"tu canh dan snippets" » "tu canh van snippets", "tu sanh dan snippets", "tu thanh dan snippets", "thu canh dan snippets", "tu chanh dan snippets", "tu cach dan snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("tu canh dan snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tu canh dan snippets") OR ("python using java snippets"))) OR ("lochating bug core snippets")).
• Removing quotes may allow a broader search: (((( tu canh dan snippets ) or ( python using java snippets ))) or ( lochating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu canh dan snippets") or ("python using java snippets"))) or ("lochating bug core snippets"))*.